Attachment Schedule S DOC 2

This document pretains to SAT-LOI-20111220-00242 for Letter of Intent on a Satellite Space Stations filing.

IBFS_SATLOI2011122000242_931146

General: Units Clear Sky Faded Emission Designator 250MG7W 250MG7W Data Rate Mbit/s 450 450 Modulation 8-PSK 8-PSK Coding Rate 0.7470 0.7470 Carrier Bandwidth MHz 250 250 Uplink Frequency GHz 29.75 29.75 Downlink Frequency GHz 19.95 19.95 Uplink Elevation Angle degrees 35 35 Downlink Elevation Angle degrees 35 35 Uplink: Tx E/S Antenna Diameter m 3.5 3.5 Tx E/S Power to Antenna W 20.4 512.9 Tx E/S Antenna Gain dBi 58.9 58.9 Tx E/S EIRP per Carrier dBW 72 86.0 Tx E/S Antenna Pointing Loss dB 0.5 0.5 Atmospheric and Rain Losses dB 0.5 14.5 Free Space Loss dB 213.6 213.6 G/T (-2dB contour) dB/K 20 20 C/I - Intra-system dB 25.0 25.0 Downlink: EIRP per Carrier towards Rx E/S (-3dB) dBW 64 64 Atmospheric and Rain Losses dB 0.5 5.1 Free Space Loss dB 210.1 210.1 Rx E/S Antenna Pointing Loss dB 0.5 0.5 Rx E/S Antenna Diameter m 0.74 0.74 Rx E/S Antenna Gain dBi 42.1 42.1 Rx E/S G/T dB/K 18.6 16.1 System Noise Temp (LNA+Sky) K 225 397 C/I - Intra-system dB 20.1 20.1 End-to-End: C/N - Thermal Uplink dB 22.8 22.8 C/I Up - ASI dB 20.4 20.4 C/N - Thermal Downlink dB 16.9 9.8 C/I Down - ASI dB 18.0 18.0 C/(N+I) - Total Actual dB 12.0 8.3 C/N - Required dB 8.2 8.2 Excess Margin dB 3.8 0.1


Document Created: 2011-12-22 15:39:56
Document Modified: 2011-12-22 15:39:56
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